Live tennis commentary - Australian Open, day six

It's day six of the Australian Open and it's another big day ahead at Melbourne Park as the competition starts to really heat up.

Good morning, and welcome to day six of the Australian Open. Big game on tonight as Bernard Tomic takes on Roger Federer but there is plenty happening before then. This morning last year's champion Victoria Azarenka will face Jamie Hampton from the USA on Rod Laver Arena, followed by Serena Williams' clash with Ayumi Morita. On Hisense Arena, Yanina Wickmayer will play Maria Kirilenko before Juan Martin Del Potro faces France's Jeremy Chardy.